CN102928780A - Step-in type motor load testing hot and damp box - Google Patents
Step-in type motor load testing hot and damp box Download PDFInfo
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- CN102928780A CN102928780A CN2012104335645A CN201210433564A CN102928780A CN 102928780 A CN102928780 A CN 102928780A CN 2012104335645 A CN2012104335645 A CN 2012104335645A CN 201210433564 A CN201210433564 A CN 201210433564A CN 102928780 A CN102928780 A CN 102928780A
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Abstract
The invention relates to the field of type tests of a traction motor and particularly relates to a step-in type motor load testing hot and damp box which can provide a high-temperature and high-humidity testing environment for a testing motor and comprises an outer cover covered on a testing platform. A connection device, the testing motor and a cooling fan of a load testing device are covered in a cavity of the outer cover, and the cavity of the outer cover is divided into a vertical hot air recovering chamber, a testing chamber, a mixed air chamber and a transverse air recovering chamber through a partition board. The connection device is placed in the vertical hot air recovering chamber; the testing chamber is adjacent to the vertical hot air recovering chamber, and the testing motor and the cooling fan are placed in the testing chamber; the mixed air chamber is adjacent to the testing chamber; and the transverse hot air recovering chamber is arranged at the tops of the vertical hot air recovering chamber, the testing chamber and the mixed air chamber. The step-in type motor load testing hot and damp box provides the damp and hot environment according with the actual working environment of the traction motor for the testing motor and provides reliable testing data for temperature rising conditions and part assembling and bearing lubricating operation conditions of the traction motor in the hot and damp environment.
Description
Technical field
The present invention relates to the type approval test field of traction electric machine, specifically a kind of experiment electric motor that can be provides the walk-in type motor load of high temperature, high humidity experimental enviroment to test damp heat box.
Background technology
After traction electric machine designs and produces and finishes, need to carry out the load test of motor to confirm whether the design of electrical motor parameter meets design requirement according to the type approval test relevant criterion.The load test of traction electric machine is by parameters such as control electric moter voltage, electric current, rotating speeds, the simulated machine actual operating state, detect heating (temperature rise) situation of motor winding when output rating, moment of torsion, the design of checking motor parameters, the accurate and rationality of manufacturing.Therefore, type approval test is indispensable means during motor performance detects.
The load test of traction electric machine needs test platform 1 and load testing apparatus, described load testing apparatus (as shown in Figure 1) comprises the load motor 2 that is installed on the test platform 1, be installed on the test platform 1 and with the tested traction electric machine of the experiment electric motor 3(of cooling blower 7), coupling arrangement, described experiment electric motor 3 is coaxial relative with load motor 2, and described coupling arrangement comprises between the output terminal of the input end of being located at load motor 2 and experiment electric motor 3 and is arranged in order the shaft coupling I 4 that is connected, support is installed on torque gauge 5 and the shaft coupling II 6 on the test platform 1.Load motor 2 and the be connected conversion that realize energy of experiment electric motor 3 by shaft coupling I 4, torque gauge 5 and shaft coupling II 6.Cooling blower 7 forces cooling heat dissipation, can effectively avoid the winding of experiment electric motor 3 and each parts overheated.During concrete the use, be connected with detecting unit on the described experiment electric motor 3, this detecting unit is for detection of by the parameter of measured motor.
Because it is indoor that test platform 1 generally is built in, when carrying out load test, experiment electric motor 3 residing environment (temperature, humidity) are indoor environment.But under this environment, can't detect experiment electric motor 3 in high temperature, high humidity environment operation conditions and parameter.
In sum, for the accurate and rationality of the 3 every designs of demonstration test motor, Fabrication parameter, be necessary to design a kind of walk-in type motor load test damp heat box that experiment electric motor 3 provides a kind of high temperature, high humidity environment that can be.
Summary of the invention
The present invention aims to provide a kind of walk-in type motor load test damp heat box that experiment electric motor provides high temperature, high humidity experimental enviroment that can be.
The present invention is achieved by the following technical solutions: walk-in type motor load test damp heat box, comprise that cover is put in the outer cover on the test platform, described outer cover is with the coupling arrangement of load testing apparatus, experiment electric motor and cooling blower cover in the cavity of outer cover, the cavity of outer cover is reclaimed the chamber by the vertical hot gas that baffle for separating becomes to lay coupling arrangement, reclaim the testing laboratory that the chamber is adjacent and lay experiment electric motor and cooling blower with vertical hot gas, the mixed gas chamber adjacent with testing laboratory is positioned at vertical hot gas and reclaims the chamber, the horizontal hot gas at testing laboratory and mixed gas chamber top reclaims the chamber; Laterally hot gas recovery chamber is connected with vertical hot gas recovery chamber; Have opening on the dividing plate between described testing laboratory and the vertical hot gas recovery chamber, the exhaust outlet edge of experiment electric motor is connected with edge of opening by outlet housing, and the dividing plate between testing laboratory and the mixed gas chamber is provided with the centrifugal blower that can the gas that mixed gas is indoor be blown into testing laboratory; Described mixed gas is indoor to be equipped with the warming and humidifying device, but the dividing plate at mixed gas chamber top is provided with the damper I that is communicated with horizontal hot gas recovery chamber and switch, but the outer cover of mixed gas chamber is provided with the damper II that is communicated with external environment and switch; But the dividing plate that described horizontal hot gas reclaims the top, chamber is provided with the damper III that is communicated with external environment and switch.
What described warming and humidifying device adopted is well heater well known in the art and humidifier.
During concrete the use, in the described testing laboratory temperature-humidity sensor is installed.Outer cover is provided with the instrument that can monitor test indoor temperature, humidity outward.Described damp heat box also is provided with the control module of the control of temperature and humidity warming and humidifying device that can show according to instrument.Because therefore this control module does not repeat them here for existing known technology.
During specific works, according to testing laboratory's environment of experiment electric motor in the high temperature of experiment electric motor (tested traction electric machine) real work, the test of high humidity environment design type.Open the power supply of testing machine, the starting characteristics test motor, experiment electric motor carries out load test according to the requirement of output rating, moment of torsion.Open the power supply of warming and humidifying device, regulate the switching degree of damper III, the indoor gas of mixed gas is heated, humidification, the centrifugal blower of the forced air convection gas mix and blend that mixed gas is indoor is blown into testing laboratory, and the hygrothermal environment that needs is provided for the experiment electric motor in the testing laboratory.Because experiment electric motor is originally as heater, vertical hot gas reclaims the hot gas of exhaust outlet (the being positioned at output terminal) discharge of chamber recovery test motor, this hot gas passes vertical hot gas and reclaims chamber and horizontal hot gas recovery chamber, by the damper I, then continues to be blown into testing laboratory by the centrifugal blower stirring.
The temperature that detects when the temperature-humidity sensor in the testing laboratory, when humidity does not reach setting value, control module sends instruction, adjusts the spray flux of damping device in the warming and humidifying device, the thermal value of heating arrangement; Simultaneously, close the damper II and can effectively avoid horizontal hot gas to reclaim indoor hot gas shedding, and the entering of cool ambient air; Close the damper III, reduce entering of cool ambient air, increase opening wide of damper I, increase the utilization factor of the hot gas of being discharged by the exhaust outlet of experiment electric motor, improve the temperature in the testing laboratory.
In like manner described, the temperature that detects when the temperature-humidity sensor in the testing laboratory, when humidity is higher than setting value, control module sends instruction, adjusts the spray flux of humidifier in the warming and humidifying device, the thermal value of well heater; Simultaneously, open the damper II, strengthen entering of cool ambient air, accelerate the indoor hot gas of horizontal hot gas recovery and shed; Open the damper III, strengthen cool ambient air to the cooling of well heater in the warming and humidifying device, close the utilization factor that the damper I reduces the hot gas of being discharged by the exhaust outlet of experiment electric motor, reduce the temperature in the testing laboratory.
During actual loading test, the humiture in the detected test room of every 30min interval changes, and the experiment electric motor winding temperature rise is detected at every 30min interval, after the experiment electric motor winding temperature rise is stable, cuts off rapidly the experiment electric motor power supply, measures each parts temperature rise situation of experiment electric motor.
Walk-in type motor load of the present invention test damp heat box novel structure, be skillfully constructed, easy installation and removal, utilize this condition as heater of experiment electric motor, heat to experiment electric motor has carried out recycling, reduced the consumption of warming and humidifying device to power supply, energy-conserving and environment-protective, when not affecting other testing equipments for experiment electric motor provides the hygrothermal environment that meets the traction electric machine actual working environment, for the assembling of the traction electric machine winding temperature rise situation under the hygrothermal environment and each parts, bearing lubrication operation conditions provide reliable test figure.
Description of drawings
Fig. 1 is the structural representation of test platform and load testing apparatus.
Fig. 2 is the structural representation of walk-in type motor load test damp heat box of the present invention.
Among the figure: 1-test platform, 2-load motor, 3-experiment electric motor, 4-shaft coupling I, the 5-torque gauge, 6-shaft coupling II, 7-cooling blower, 8-testing laboratory, the 9-outlet housing, 10-mixed gas chamber, 11-centrifugal blower, 12-outer cover, 13-air pressure adjustment door, the vertical hot gas of 14-reclaims the chamber, and the horizontal hot gas of 15-reclaims chamber, 16-damper I, 17-damper II, 18-damper III, 19-well heater, 20-humidifier, the 21-panel box, 22-water pump, 23-water tank.
Embodiment
Below in conjunction with accompanying drawing and instantiation the present invention is specifically described.
Locomotive AC asynchronous traction motor take a number of poles as 6 utmost points (experiment electric motor 3) is as example, its rated power 300kW, rated voltage 2200V, the permanent range of speeds 2800～3600r/min, this motor generally is installed in vehicle bottom, cooling channel is supplied with by the locomotive cooling fan specialized, locomotive operates in 45 ℃ of high temperature throughout the year, humidity is in 80% the environment, design of electrical motor is the C class B insulation, but it is stable to require this motor to move to continuously winding temperature rise under above wet heat condition, detects motor winding temperature rise, other mechanical propertys such as bearing operation conditions and winding insulation performance.
According to environment temperature 5-35 ℃, relative humidity 30-90%RH of this motor test power 300KW and test platform, the parameter of design (calculated) load test is as follows: temperature range: 40-55 ℃; Humidity range: 65-95%RH; The active heat energy power of load motor: about 35KW, exhaust air rate: 2600m
/ h; Work noise: A sound level≤70dB (A); Space in the testing laboratory 8: wide 1200mm * high 1500mm * dark 1500mm.
Walk-in type motor load test damp heat box, comprise that cover is put in the outer cover 12 on the test platform 1, described outer cover 12 is with the coupling arrangement of load testing apparatus, experiment electric motor 3 and cooling blower 7 cover in the cavity of outer cover 12, the cavity of outer cover 12 is reclaimed chamber 14 by the vertical hot gas that baffle for separating becomes to lay coupling arrangement, reclaim the testing laboratory 8 that chamber 14 is adjacent and lay experiment electric motor 3 and cooling blower 7 with vertical hot gas, the mixed gas chamber 10 adjacent with testing laboratory 8 is positioned at vertical hot gas and reclaims chamber 14, the horizontal hot gas at testing laboratory 8 and mixed gas chamber 10 tops reclaims chamber 15; Laterally hot gas recovery chamber 15 is connected with vertical hot gas recovery chamber 14; Have opening on the dividing plate between described testing laboratory 8 and the vertical hot gas recovery chamber 14, the exhaust outlet edge of experiment electric motor 3 is connected with edge of opening by outlet housing 9, and the dividing plate between testing laboratory 8 and the mixed gas chamber 10 is provided with the centrifugal blower 11 that the gas in the mixed gas chamber 10 can be blown into testing laboratory 8; In the described mixed gas chamber 10 the warming and humidifying device is installed, but the dividing plate at mixed gas chamber 10 tops is provided with and is communicated with the damper I 16 that horizontal hot gas reclaims chamber 15 and switch, but the outer cover 12 of mixed gas chamber 10 is provided with the damper II 17 that is communicated with external environment and switch; But the dividing plate that described horizontal hot gas reclaims 15 tops, chamber is provided with the damper III 18 that is communicated with external environment and switch.
During implementation, described warming and humidifying device comprises well heater 19 and humidifier 20, the outside of described outer cover 12 is provided with the panel box 21 into testing equipment in this damp heat box (experiment electric motor 3, well heater 19, humidifier 20 etc.) power supply, the water pump 22 of spray is provided for humidifier, and mixed gas is indoor also is furnished with water tank 23 for humidifier.
During concrete the manufacturing, be communicated with the air pressure adjustment door 13 that horizontal hot gas reclaims chamber 15 and switch but have on the dividing plate at testing laboratory 8 tops.But the pressure abnormity in these air pressure adjustment door prophylactic tria chambers 8 13.
Further, damper I 16 reclaims chamber 14 than the more close vertical hot gas of damper II 17.According to the flow direction of hot air flow, this design more is conducive to the exhaust outlet of experiment electric motor 3 is discharged the utilization of hot gas.
Further, described outer cover 12 and dividing plate are to be made by the adiabatic prefabricated board of the polyurethane foam of external application color steel sheet.This prefabricated board is easy to dismounting, convenient resettlement, and more being conducive to provides a heat and moisture preserving separate space that is isolated with external environment for experiment electric motor 3.
Claims (5)
1. the walk-in type motor load is tested damp heat box, it is characterized in that, comprise that cover is put in the outer cover (12) on the test platform (1), described outer cover (12) is with the coupling arrangement of load testing apparatus, experiment electric motor (3) and cooling blower (7) cover in the cavity of outer cover (12), the cavity of outer cover (12) is reclaimed chamber (14) by the vertical hot gas that baffle for separating becomes to lay coupling arrangement, reclaim the testing laboratory (8) that chamber (14) is adjacent and lay experiment electric motor (3) and cooling blower (7) with vertical hot gas, the mixed gas chamber (10) adjacent with testing laboratory (8) is positioned at vertical hot gas and reclaims chamber (14), the horizontal hot gas at testing laboratory (8) and mixed gas chamber (10) top reclaims chamber (15); Laterally hot gas recovery chamber (15) is connected with vertical hot gas recovery chamber (14); Have opening on the dividing plate between described testing laboratory (8) and the vertical hot gas recovery chamber (14), the exhaust outlet edge of experiment electric motor (3) is connected with edge of opening by outlet housing (9), and the dividing plate between testing laboratory (8) and the mixed gas chamber (10) is provided with the centrifugal blower (11) that the gas in the mixed gas chamber (10) can be blown into testing laboratory (8); Described mixed gas chamber is equipped with the warming and humidifying device in (10), the dividing plate at mixed gas chamber (10) top be provided be communicated with that horizontal hot gas reclaims chamber (15) but and the damper I (16) of switch, the outer cover (12) of mixed gas chamber (10) but be provided with the damper II (17) that is communicated with external environment and switch; Described horizontal hot gas reclaims chamber (15) but the dividing plate at top is provided with the damper III (18) that is communicated with external environment and switch.
2. walk-in type motor load test damp heat box according to claim 1 is characterized in that, has on the dividing plate at testing laboratory (8) top to be communicated with horizontal hot gas recovery chamber (15) but and the air pressure adjustment door (13) of switch.
3. walk-in type motor load test damp heat box according to claim 1 and 2 is characterized in that, damper I (16) reclaims chamber (14) than the more close vertical hot gas of damper II (17).
4. walk-in type motor load test damp heat box according to claim 1 and 2 is characterized in that, described outer cover (12) and dividing plate are to be made by the adiabatic prefabricated board of the polyurethane foam of external application color steel sheet.
5. walk-in type motor load test damp heat box according to claim 3 is characterized in that, described outer cover (12) and dividing plate are to be made by the adiabatic prefabricated board of the polyurethane foam of external application color steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210433564.5A CN102928780B (en) | 2012-11-05 | 2012-11-05 | Step-in type motor load testing hot and damp box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210433564.5A CN102928780B (en) | 2012-11-05 | 2012-11-05 | Step-in type motor load testing hot and damp box |
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| CN102928780A true CN102928780A (en) | 2013-02-13 |
| CN102928780B CN102928780B (en) | 2015-04-08 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090175A (en) * | 2013-11-13 | 2014-10-08 | 浙江吉利控股集团有限公司 | Wiper motor temperature protector function test system and control method thereof |
| CN105137353A (en) * | 2015-08-26 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | Loaded motor test device in wide temperature environment |
| CN107817444A (en) * | 2017-10-23 | 2018-03-20 | 广州公孙策信息科技有限公司 | Double temperature rise testing auxiliary device is used in a kind of motor temperature rise detection |
| CN109856533A (en) * | 2018-12-14 | 2019-06-07 | 青海大学 | A kind of main drive motor performance test methods based on TBM |
| CN110398688A (en) * | 2019-07-31 | 2019-11-01 | 重庆长安新能源汽车科技有限公司 | A kind of New energy automobile motor Performance Test System |
| CN112327155A (en) * | 2020-10-28 | 2021-02-05 | 南京越博电驱动***有限公司 | System and method for testing condensate water resistance of driving motor of electric automobile |
| CN112485669A (en) * | 2020-11-09 | 2021-03-12 | 广东立佳实业有限公司 | Dual drive motor reliability testing arrangement |
| WO2022069216A1 (en) * | 2020-09-29 | 2022-04-07 | Zf Friedrichshafen Ag | Connecting device for electric motor testing and electric motor testing device |
| CN114487832A (en) * | 2022-04-14 | 2022-05-13 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Motor integrated environment test system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090175A (en) * | 2013-11-13 | 2014-10-08 | 浙江吉利控股集团有限公司 | Wiper motor temperature protector function test system and control method thereof |
| CN105137353A (en) * | 2015-08-26 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | Loaded motor test device in wide temperature environment |
| CN107817444A (en) * | 2017-10-23 | 2018-03-20 | 广州公孙策信息科技有限公司 | Double temperature rise testing auxiliary device is used in a kind of motor temperature rise detection |
| CN109856533A (en) * | 2018-12-14 | 2019-06-07 | 青海大学 | A kind of main drive motor performance test methods based on TBM |
| CN110398688A (en) * | 2019-07-31 | 2019-11-01 | 重庆长安新能源汽车科技有限公司 | A kind of New energy automobile motor Performance Test System |
| WO2022069216A1 (en) * | 2020-09-29 | 2022-04-07 | Zf Friedrichshafen Ag | Connecting device for electric motor testing and electric motor testing device |
| CN112327155A (en) * | 2020-10-28 | 2021-02-05 | 南京越博电驱动***有限公司 | System and method for testing condensate water resistance of driving motor of electric automobile |
| CN112485669A (en) * | 2020-11-09 | 2021-03-12 | 广东立佳实业有限公司 | Dual drive motor reliability testing arrangement |
| CN114487832A (en) * | 2022-04-14 | 2022-05-13 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Motor integrated environment test system |
| CN114487832B (en) * | 2022-04-14 | 2022-08-02 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Motor integrated environment test system |
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| CN102928780B (en) | 2015-04-08 |
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Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee after: CRRC YONGJI ELECTRIC CO., LTD. Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No. Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd. |